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427 Oil Pressure 427 Oil Pressure
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Old 07-04-2006, 07:00 AM
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Cobra Make, Engine: E-M 427 Top Oiler stroked to 482 by KC, Stage 2 heads, a Quikfuel and Voila, 640 hp
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Default 427 Oil Pressure
I have a 1963 427 center oiler and have a question on oil pressure. I have a Melling high volume oil pump, oil cooler and double remote filters. If I run 20W-50 (I'm an old Castrol guy) in the heat of the summer, I get about 90 lbs at idle and can exceed 100 lbs if I slam it. I'm thinking this is excessive and can see what appears to be leaking around the gaskets on the oil filters. I changed to Rotella 15w-40 this summer and reduced the pressure to about 80 lbs at idle but it will still climb to around 90 at high RPM until it gets nice and hot. Is this normal? Should I be concerned with this kind of high oil pressure?

Tim
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